Audi A4 is more dynamic to drive. Audi A4 engine produces 9 HP more power than BMW 3 series, but torque is 2 NM less than BMW 3 series. Thanks to more power Audi A4 reaches 100 km/h speed 0.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.5
7.3
Real fuel consumption:
8.6 l/100km
8.1 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Audi A4 consumes 1.2 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Audi A4 could require 180 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.5 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
62 litres
63 litres
Full fuel tank distance:
720 km in combined cycle
860 km in combined cycle
950 km on highway
1120 km on highway
720 km with real consumption
770 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Average engine lifespan:
460'000 km
350'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Audi A4 engine could be longer.
Engine production duration:
4 years
6 years
Engine spread:
Installed on at least 5 other car models, including Volkswagen Golf, Audi A6, Skoda Octavia, Volkswagen Bora
Used only for this car
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Audi A4 might be a better choice in this respect.
Dimensions
Length:
4.48 m
4.48 m
Width:
1.73 m
1.74 m
Height:
1.42 m
1.41 m
Both cars are similar in size. Audi A4 and BMW 3 series are practically the same length.
Trunk capacity:
390 litres
435 litres
Trunk max capacity: with rear seats folded down
1250 litres
1345 litres
BMW 3 series has more luggage space. Audi A4 has 45 litres less trunk space than the BMW 3 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 3 series (by 95 litres).
Turning diameter:
11.1 meters
10 meters
The turning circle of the Audi A4 is 1.1 metres more than that of the BMW 3 series, which means Audi A4 can be harder to manoeuvre in tight streets and parking spaces.
Audi A4 has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 40 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
